{"id":"CVE-2026-123199","aliases":["DEBIAN-CVE-2026-123199","EUVD-2026-117644","GHSA-fpw6-9pxv-22cx","UBUNTU-CVE-2026-123199"],"status":"published","title":"eBook-speaker through 6.2.0 Stack-based Buffer Overflow via element name attribute","description":"eBook-speaker 6.1.0 through 6.2.0 contains a stack buffer overflow vulnerability in get_attributes() in src/common.c caused by an unbounded strcpy of an element's name attribute. Attackers can craft an EPUB or DAISY book with a name attribute of 511 or more characters to corrupt the stack and crash the reader when opened.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00142,"percentile":0.03603,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-11-05T18:16:36Z","modified":"2026-11-07T01:46:29Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-4","6.2.0-4+deb12u1","6.2.0-5","6.2.0-6","6.2.0-7"]},{"source":"osv","ecosystem":"Debian:13","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-6","6.2.0-7"]},{"source":"osv","ecosystem":"Debian:14","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-6","6.2.0-7"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.1-1","2.8.1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0-2","4.1.0-2build1","5.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.3-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.2-1","6.2.0-2","6.2.0-3","6.2.0-4"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-4","6.2.0-5","6.2.0-5build1","6.2.0-5build2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-7build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ebook-speaker","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.0-7","6.2.0-7build1"]}],"products":[{"vendor":"book-readers","product":"ebook-speaker"}],"references":[{"url":"https://github.com/book-readers/ebook-speaker/commit/23b5c86585d7e3c27c932b112f4e36858e70f210","tags":["patch","fix","report"]},{"url":"https://github.com/book-readers/ebook-speaker/blob/4a8f457a0fd65a96463c0fa9bd0612242c081dc8/src/common.c#L631-L632","tags":["technical-description","article","report"]},{"url":"https://www.vulncheck.com/advisories/ebook-speaker-through-6.2.0-stack-based-buffer-overflow-via-element-name-attribute","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123199","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fpw6-9pxv-22cx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123199.json","tags":["advisory"]},{"url":"https://github.com/book-readers/ebook-speaker","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-123199","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-123199","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-123199","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-123199","title":"eBook-speaker through 6.2.0 Stack-based Buffer Overflow via element name attribute","description":"eBook-speaker 6.1.0 through 6.2.0 contains a stack buffer overflow vulnerability in get_attributes() in src/common.c caused by an unbounded strcpy of an element's name attribute. 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Attackers can craft an EPUB or DAISY book with a name attribute of 511 or more characters to corrupt the stack and crash the reader when opened.","status":"published","published":"2026-11-05T21:34:50Z","modified":"2026-11-05T21:34:51Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-05T21:56:36.974002Z"}],"nvd":[{"id":"CVE-2026-123199","description":"eBook-speaker 6.1.0 through 6.2.0 contains a stack buffer overflow vulnerability in get_attributes() in src/common.c caused by an unbounded strcpy of an element's name attribute. Attackers can craft an EPUB or DAISY book with a name attribute of 511 or more characters to corrupt the stack and crash the reader when opened.","status":"published","published":"2026-11-05T19:17:18.763Z","modified":"2026-11-09T23:17:14.4Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-10T02:16:32.988634Z"}],"osv":[{"id":"CVE-2026-123199","title":"eBook-speaker through 6.2.0 Stack-based Buffer Overflow via element name attribute","description":"eBook-speaker 6.1.0 through 6.2.0 contains a stack buffer overflow vulnerability in get_attributes() in src/common.c caused by an unbounded strcpy of an element's name attribute. 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